Mercedes W213 OM654 E220 E350 CDI Diesel Fuel Injector Nozzle A6540700087

Mercedes W213 OM654 Injector A6540700087 is an original injector nozzle designed for Mercedes diesel engines from the OM654 family, used in the W213 model. The part is from a dismantled vehicle, allowing for an economical yet technically sound repair of the diesel fuel system.

Specifications and technical data

• SKU: A6540700087
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6540700087
• Substitutable numbers: A6540700087, A 654 070 00 87
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and Technical Characteristics

The injector presented belongs to the category of injector nozzles and is dedicated to Diesel engines used in the Mercedes E-Class W213 generation with the OM654 unit. The use of the correct injector in this engine is crucial for precise fuel delivery, stable engine operation, and maintaining factory combustion parameters.

The injection system in modern diesel engines operates under very high pressure, which is why a properly selected injector nozzle supports:

• precise fuel atomization in the combustion chamber,
• even operation of all cylinders,
• maintaining engine smoothness under various loads,
• reducing smoke and exhaust emissions.

Benefits of Using an Original Injector Nozzle

Choosing an original injector for the Mercedes W213 OM654 allows you to maintain the parameters specified by the vehicle manufacturer. In practice, this means:

• correct fuel dosage across the entire RPM range,
• better throttle response compared to a faulty or unsuitable aftermarket part,
• stable idle speed and reduced vibrations,
• lower risk of damage to other components of the injection system and the engine.

For the user, this translates to more predictable vehicle behavior, proper dynamics, and the ability to maintain fuel consumption close to factory figures, provided other system components are in good condition.

Component Condition and Service Application

The injector is used, making it an attractive solution for repairs where cost-effectiveness relative to the vehicle's value is important. This type of part is particularly suitable in situations where:

• a quick replacement of a damaged diesel injector is necessary,
• the vehicle has high mileage and investing in a brand-new part would be uneconomical,
• it is important to maintain the original Mercedes specification rather than using random aftermarket parts.

Before installation, the standard workshop procedure is recommended: verification of operating parameters on a test bench, leak testing, and installation according to the guidelines of the vehicle and injection system manufacturer.

Injection System Diagnostics and Prevention

A malfunctioning injector nozzle in a diesel engine can cause a range of symptoms: uneven idling, loss of power, increased fuel consumption, or smoking. To better understand the symptoms and consequences of neglect, it is worth consulting the guide: diesel injector faults – symptoms, consequences, and diagnostics. This will help you correctly assess when injector replacement is necessary and how to avoid more serious engine failures.

Other Mercedes Injector Nozzles

If you are looking for other Mercedes injector nozzles for different models or engine configurations, check out our dedicated category: Mercedes injector nozzles. This will allow you to easily compare available solutions and select the right part for your specific diesel engine.